No reverse signal

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davidn
New Member

Posts: 4

No reverse signal May 16, 2019 10:14:29 GMT via mobile

Quote

Post by davidn on May 16, 2019 10:14:29 GMT

Hello everyone.

I have some problem with my 2019 Octavia.

I made some changes in the software using obdeleven (pro).

1. Start/stop disabled by changing voltage level in 19 - working.

2. Tried to adapt Cornering lights in 09 with security access:

Leuchte12NL LB45-Lichtfunktion B 12 to Abbiegelicht links.....and so on... - not working (I don't know why it is not working, just switched it back to "not active")

3. After 2nd point i tried to change 09 long coding byte 14 bit 7 to "1" (in obdeleven signed as Cornering Lights via Fog Lights) and also didn't work, so I recoded it back to "0".

4. Tried to enable passenger mirror dip on selecting reverse in 52 by:

coding Byte 4 Bit 2&3 to “1” - didn’t working (honestly I had no time to check it closely, probably I skipped changing right mirror selection switch to the right position)

Getting back to the point!

My problem is probably after one of the changes I've made, my reversing light switch has stopped working. When I put in reverse gear, my reverse light don’t light. Also PDC system is not activated.

09 BCM MQBAB B HW 5Q0937084CD SW 5Q0937084DA

The question is:

Does anyone know how to fix it?

Thank you for your help!
David

ViĆ Full Member Posts: 185	No reverse signal May 16, 2019 18:11:13 GMT Quote Select Post Deselect Post Link to Post Back to Top Post by ViĆ on May 16, 2019 18:11:13 GMT Fastest way to get help is to show the whole history "file" Also I would like to see a screenshot of the settings inside "Leuchte28RFL" that is under Central electrics -> Adaption
	Just a random bloke

davidn
New Member

Posts: 4

No reverse signal May 21, 2019 18:24:40 GMT

Quote

Post by davidn on May 21, 2019 18:24:40 GMT

Hi,

history:

OBDeleven vehicle history log



Date: 2019-05-17 00:23



    VIN: TMBJG7NE8Kzzzzzzz

    Car: Skoda Octavia

    Year: 2019

    Body type: Estate

    Engine: DGTE 85 kW (116 HP) 1.6 l

    Mileage: 2447 KM



---------------------------------------------------------------

Adaptation

    Control unit: 09 Central Electrics

    Name: Leuchte12NL LB45

    Values: 

        Lichtfunktion B 12: 

            Old value: Abbiegelicht links

            New value: nicht aktiv

    Mileage: 1111 km

    Date: 2019-05-07 22:05



---------------------------------------------------------------

Adaptation

    Control unit: 09 Central Electrics

    Name: Leuchte13NL RB5

    Values: 

        Lichtfunktion B 13: 

            Old value: Abbiegelicht rechts

            New value: nicht aktiv

    Mileage: 1111 km

    Date: 2019-05-07 22:05



---------------------------------------------------------------

Adaptation

    Control unit: 09 Central Electrics

    Name: Leuchte13NL RB5

    Values: 

        Lichtfunktion B 13: 

            Old value: nicht aktiv

            New value: Abbiegelicht rechts

    Mileage: 1111 km

    Date: 2019-05-07 22:04



---------------------------------------------------------------

Adaptation

    Control unit: 09 Central Electrics

    Name: Leuchte12NL LB45

    Values: 

        Lichtfunktion B 12: 

            Old value: nicht aktiv

            New value: Abbiegelicht links

    Mileage: 1111 km

    Date: 2019-05-07 22:04



---------------------------------------------------------------

Fault

    Control unit: 09 Central Electrics

    Active faults: 0

    Inactive faults: 0

    System description: BCM MQBAB B  

    Software number: 5Q0937084DA

    Software version: 0273

    Hardware number: 5Q0937084CD

    Hardware version: H38

    Serial number: 00001905500213

    ODX name: EV_BCMMQB

    ODX version: 019001

    Faults:

        No trouble codes found



    Mileage: 563 km

    Date: 2019-05-01 20:20

I also tried to do the long coding

byte 14 from "00" to "80" and back to "00"

And these are the screenshots of "Leuchte28RFL":

sgt1297
Junior Member

Posts: 80

No reverse signal May 21, 2019 21:59:54 GMT

Quote

Post by sgt1297 on May 21, 2019 21:59:54 GMT

I have a 2017 Octavia and have used adaptations to operate
cornering fog lights without an issue.
The dipping mirror is a problem for me as I don't have the correct module.
Use this check to establish if you have the correct module.
forum.obdeleven.com/post/17492
My suggestion to establish what may be causing the problem with the reversing light is to undo all the changes you made one at a time until the reversing light works again.
If you need the method I used to activate cornering lights let me know.
Phil

davidn
New Member

Posts: 4

No reverse signal May 22, 2019 11:16:29 GMT

Quote

Post by davidn on May 22, 2019 11:16:29 GMT

May 21, 2019 21:59:54 GMT sgt1297 said:

Hi,
problem is, that I have restored all settings to previous ones (100% sure) and still nothing

EDIT:

I have in my company 2 same Octavia's.
I compared all ecu's codings and apadtations and they are identical...

Maybe I should check signal wire from reverse switch?
Does anybody know to which ecu is it going? And what colour?

Last Edit: May 22, 2019 13:18:51 GMT by davidn

davidn New Member Posts: 4	No reverse signal May 24, 2019 11:55:55 GMT via mobile Quote Select Post Deselect Post Link to Post Back to Top Post by davidn on May 24, 2019 11:55:55 GMT Allright. Problem solved. The rodent bit the cables from reverse switch and some A/C sensors :-) It just happened in the same time that I was making changes with obdeleven :-)

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